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Cystic Fibrosis Treatment: A Paradigm for New Pediatric Medicines, Globalization of Drug Development and the Role of the European Medicines Agency.

ABSTRACT: The European Pediatric Pharmaceutical Legislation wants children to benefit more from pharmaceutical progress. In rare diseases, concerns have been raised that this legislation might damage research and stymie drug development. We discuss the role of the European Medicines Agency (EMA) and its Pediatric Committee (PDCO) in the development of ivacaftor, first-in-class for cystic fibrosis (CF) patients with the G551D mutation (and eight other mutations later) and of lumacaftor and ataluren, two more potential break-through CF medications. Ivacaftor was USA-approved early 2012 and six months later in the EU. Registration was based on the same data. We analyzed these drugs' EU pediatric investigation plans (PIPs) and compared the PIP-studies with the pediatric CF studies listed in www.clinicaltrials.gov. The ivacaftor PIP studies appear to reflect what the developer planned anyway, apart from a study in 1-23-month-olds, which has not yet started. The total negotiation time for the current PIP version was approximately 5.5 years. For companies that develop drugs in pediatric diseases, e.g., CF, PIPs represent considerable additional procedural workload with minimal or no additional benefit for the patients. New drugs for pediatric diseases should not be hampered by additional, unnecessary and costly bureaucracy, but be registered as rapidly as possible without compromising safety.

SUBMITTER: Rose K

PROVIDER: S-EPMC4928746 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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Cystic Fibrosis Treatment: A Paradigm for New Pediatric Medicines, Globalization of Drug Development and the Role of the European Medicines Agency.

Rose Klaus K Spigarelli Michael G MG

Children (Basel, Switzerland) 20150323 1

The European Pediatric Pharmaceutical Legislation wants children to benefit more from pharmaceutical progress. In rare diseases, concerns have been raised that this legislation might damage research and stymie drug development. We discuss the role of the European Medicines Agency (EMA) and its Pediatric Committee (PDCO) in the development of ivacaftor, first-in-class for cystic fibrosis (CF) patients with the G551D mutation (and eight other mutations later) and of lumacaftor and ataluren, two mo ...[more]

PMID: 27417354

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Project description:BackgroundAlthough the diagnosis of childhood leukemia is no longer a death sentence, too many patients still die, more with acute myeloid leukemia than with acute lymphoblastic leukemia. The European Union pediatric legislation was introduced to improve pharmaceutical treatment of children, but some question whether the European Medicines Agency (EMA) approach is helping children with leukemia. Some have even suggested that the decisions of EMA pediatric committee (PDCO) are counterproductive. This study was designed to investigate the impact of PDCO-issued pediatric investigation plans (PIPs) for leukemia drugs.MethodsAll PIPs listed under "oncology" were downloaded from the EMA website. Non-leukemia decisions including misclassifications, waivers (no PIP), and solid tumors were discarded. The leukemia decisions were analyzed, compared to pediatric leukemia trials in the database http://www.clinicaltrials.gov, and discussed in the light of current literature.ResultsThe PDCO leukemia decisions demand clinical trials in pediatric leukemia for all new adult drugs without prioritization. However, because leukemia in children is different and much rarer than in adults, these decisions have resulted in proposed studies that are scientifically and ethically questionable. They are also unnecessary, since once promising new compounds are approved for adults, more appropriate, prioritized pediatric leukemia trials are initiated worldwide without PDCO involvement.ConclusionEMA/PDCO leukemia PIPs do little to advance the treatment of childhood leukemia. The unintended negative effects of the flawed EMA/PDCO's standardized requesting of non-prioritized testing of every new adult leukemia drug in children with relapsed or refractory disease expose these children to questionable trials, and could undermine public trust in pediatric clinical research. Institutions, investigators, and ethics committees/institutional review boards need to be skeptical of trials triggered by PDCO. New, better ways to facilitate drug development for pediatric leukemia are needed.

Project description:With the implementation of the new EU regulation on in vitro diagnostics (IVDR) in May 2022, notified bodies will be required to assess Companion Diagnostics (CDx). The EMA and national medicines agencies will be consulted on the performance and safety of CDx. In this paper, we report on our systematic review on how the EMA has dealt with CDx in dossiers for marketing authorization procedures, in 2017-2019, and in scientific advice procedures in 2016-2020, prior to the implementation of the new IVDR. Out of 167 medicines approved or refused by the EMA, CDx played a role for 20 medicines during assessment. Both European public assessment reports (EPARs) and the internal day 80 and day 120 assessment reports (ARs) of the EMA centralized marketing authorization procedures for these 20 medicines were analyzed in detail to determine how CDx were assessed. Likewise, in 46 of 159 cases in which scientific advice was provided, CDx were mentioned in the question-and-answer section of the scientific advice, and these were analyzed in an analogous manner. Our analysis indicates that clinical performance and analytical performance of the CDx were the most-discussed topics, being discussed 11 and seven times in the 20 EPARs and 59 and 29 times in the ARs, respectively. For scientific advice, clinical and analytical performance was discussed 65 and 22 times in the 46 retrieved mentions of scientific advice. Other aspects in relation to CDx were discussed as well, although at a lower frequency, in assessment reports and scientific advice. Overall, our analysis demonstrates that, despite the absence of an obligation from a legal point of view, EMA has gained experience on the assessment of CDx, most notably regarding its analytical and clinical performance. This experience may be useful in situations in which the EMA and national agencies of EU member states will formally be consulted by notified bodies regarding the performance and safety of CDx. In addition, the issues raised in the EPARs, ARs and scientific advice reports provide insight for applicants on aspects of CDx that need careful consideration.

Project description:BackgroundPrompted by the Covid-19 pandemic and the need to ensure timely and safe access to medicines during a pandemic, the aim of this study was to compare and contrast the EU and US regulations, processes, and outcomes pertaining to the granting of accelerated Marketing Authorizations (MAs) for COVID-19 vaccines and treatments with a view to determining how effective these regulations were in delivering safe medicines in a timely manner.MethodsMAs for medicines approved for Covid-related indications in the first two pandemic years (March 2020-February 2022) were identified using the European Medicines Agency (EMA) and US Food and Drug Administration (FDA) websites. Authorization reports and utilized regulations were reviewed to determine and compare approval timelines, facilitated pathways, accepted clinical evidence, and effectiveness of the regulations by assessing them against time and safety standards.ResultsBy the end of February 2022, the EMA and FDA had granted 12 and 14 MAs, respectively. Two EU and two US approvals were issued in relation to new indications for already-approved treatments; the remaining ones were first-time approvals of novel vaccines and treatments. The median time to approval was 24 days for the EMA's conditional MAs and 36 days for the USFDA's Emergency Use Authorizations (EUA) for all Covid-19 medicines. This is compared with 23 and 28 days, respectively, specifically for first-time novel vaccines and treatments authorized by both USFDA and EMA. The USFDA and EMA differed markedly in terms of the time taken to approve new indications of already-approved treatment; the USFDA took 65 days for such approval, compared with 133 days for the EMA. Where MAs were issued by both authorities, USFDA approvals were issued before EMA approvals; applications for approval were submitted to the FDA before submission to the EMA. Three EU and two US MAs were based on data from two or more phase 3 clinical trials; the remaining ones were based on single trial data. Only six EU and four US trials had been completed by the time of authorization. This was in line with regulations. While the applicable regulations shared many similarities, there were marked differences. For instance, the EU's conditional MA regulation pertains only to first approvals of new treatments. It does not cover new indications of already-approved treatments. This contrasts with the US, where the EUA regulation applies to both types of applications, something that may have impacted approval timelines. Overall, both EU and US utilized regulations were considered to be effective. For most cases, utilizing such regulations for Covid-19 MAs resulted in faster approval timelines compared to standard MAs. They were flexible enough to manage the process of granting emergency approvals while maintaining strict requirements and allowing comprehensive reviews of the supporting evidence.ConclusionUS and EU regulations were effective in ensuring timely accelerated market access to Covid-19 medicines during the pandemic without compromising the approval standards related to safety or efficacy. The population in both regions will receive comparable access to medicines during a pandemic if sponsors submit their applications to both authorities in parallel.

Project description:BackgroundCurrently, there is a lack of clear definition for neonatal sepsis. The Pediatric Committee of the European Medicines Agency (EMA) developed consensus criteria to ensure a standardization for neonatal sepsis definition. However, there is no evidence supporting the accuracy of the EMA sepsis criteria in neonatal sepsis diagnosis. The main objective of this study was to evaluate the diagnostic accuracy of EMA sepsis criteria for proven neonatal sepsis.MethodsA multicenter prospective cohort study was conducted from October 2015 to November 2018. Infants with a gestational age over 34th weeks, diagnosed with clinical sepsis and received antibiotics according to the EMA criteria or experienced neonatologists' opinion were included. Blood culture or multiplex real time-PCR or 16S-rRNA positive infants were accepted as "proven sepsis". The predictive performance of EMA criteria for proven sepsis was evaluated by sensitivity, specificity, accuracy, and area under the curve measures of receiver operator characteristic curves. Data-mining methods were used for further analysis.ResultsAmong the 245 included infants, the EMA criteria were positive in 97 infants (39.6%), while proven sepsis was diagnosed in 113 infants (46.1%). The sensitivity, specificity, and accuracy of the EMA criteria for proven sepsis were 44.2% (95%CI: 34.9-53.9), 64.4% (95%CI: 55.6-72.5), 55.1% (95%CI: 46.6-59.4) respectively. None of the clinical and laboratory parameters had sufficient performance individually in terms of sensitivity, specificity and accuracy measures. The diagnostic performance was similar when different clinical findings were added to the EMA sepsis criteria or assessment of the score was interpreted in different ways.ConclusionsResults highlighted that clinician opinion and standard laboratory tests are limited in the neonatal sepsis diagnosis. The EMA criteria also did not efficiently meet the diagnostic accuracy measures for neonatal sepsis. A predictive sepsis definition and rapid bedside point-of care tests are urgently needed.

Project description:ObjectivesStratified medicine is often heralded as the future of clinical practice. Key part of stratified medicine is the use of predictive biomarkers, which identify patient subgroups most likely to benefit (or least likely to experience harm) from an intervention. We investigated how many and what predictive biomarkers are currently included in European Medicines Agency (EMA) licensing.SettingEMA licensing.ParticipantsIndications and contraindications of all drugs considered by the EMA and published in 883 European Public Assessment Reports and Pending Decisions.Primary and secondary outcome measuresData were collected on: the type of the biomarker, whether it selected a subgroup of patients based on efficacy or toxicity, therapeutic area, marketing status, date of licensing decision, date of inclusion of the biomarker in the indication or contraindication and on orphan designation.Results49 biomarker-indication-drug (B-I-D) combinations were identified over 16 years, which included 37 biomarkers and 41 different drugs. All identified biomarkers were molecular. Six drugs (relating to 10 B-I-D combinations) had an orphan designation at the time of licensing. The identified B-I-D combinations were mainly used in cancer and HIV treatment, and also in hepatitis C and three other indications (cystic fibrosis, hyperlipoproteinaemia type I and methemoglobinaemia). In 45 B-I-D combinations, biomarkers were used as predictive of drug efficacy and in four of drug toxicity. It appeared that there was an increase in the number of B-I-D combinations introduced each year; however, the numbers were too small to identify any trends.ConclusionsGiven the large body of literature documenting research into potential predictive biomarkers and extensive investment into stratified medicine, we identified relatively few predictive biomarkers included in licensing. These were also limited to a small number of clinical areas. This might suggest a need for improvement in methods of translation from laboratory findings to clinical practice.

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Cystic Fibrosis Treatment: A Paradigm for New Pediatric Medicines, Globalization of Drug Development and the Role of the European Medicines Agency.

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Cystic Fibrosis Treatment: A Paradigm for New Pediatric Medicines, Globalization of Drug Development and the Role of the European Medicines Agency.

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